Flock-Level Seroprevalence against Avian Pneumovirus amongst Uruguayan Broiler Chickens | Zendy

G. Giossa | Zendy; K. Suzuki | Zendy; M. Petruccell | Zendy; G. Rodríguez | Zendy; G. Trenchi | Zendy; H. Trenchi | Zendy

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Flock-Level Seroprevalence against Avian Pneumovirus amongst Uruguayan Broiler Chickens

Author(s) -

G. Giossa,

K. Suzuki,

M. Petruccell,

G. Rodríguez,

G. Trenchi,

H. Trenchi

Publication year - 2010

Publication title -

international journal of poultry science

Language(s) - English

Resource type - Journals

eISSN - 1994-7992

pISSN - 1682-8356

DOI - 10.3923/ijps.2010.217.220

Subject(s) - flock , seroprevalence , broiler , biology , veterinary medicine , agronomy , medicine , serology , antibody , immunology

The objective of this study was to estimate the true prevalence of seropositive broiler chickens against avian pneumovirus at flock-level in Uruguay, using the Rogan-Gladen estimator in conjunction with Bayesian inference. A total of 181 pooled samples (consisting of 10 individual-chicken sera each) from the study area were examined with the enzyme-linked immunosorbent assay. All individual-chicken samples in the pools were also examined with the same assay. Forty-four pools were classified as test positive, because they included at least one individual-chicken classified as positive. The estimates for the deterministic (Rogan-Gladen approach) and stochastic (Bayesian approach) true prevalence were 30.9% [95% confidence interval (Cl): 26.8-35.0%] and 31.4% (95% Cl: 15.4-49.5%), respectively.

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